Related paper Centrality dependence of $\rm \mathbf π$, K, p production in Pb-Pb collisions at $\sqrt{s_{\rm NN}}$ = 2.76 TeV (a) $\pi^-/\pi^+$ (b) $K^-/K^+$ (c) $\bar{\rm p}/{\rm p}$ ratios as a function of $\pt$ for central, semi-central and peripheral events.[png] [eps][png] [eps][png] [eps]